Police eyeing politics behind killing of Cavite vice mayor

In the span of one week, a mayor was killed as he sang the national anthem at a Monday flag raising in Batangas. Another mayor was killed as he leaves a meeting in Nueva Ecija the next day, and a vice mayor was gunned down on a busy street in Cavite on Saturday. None of these are "case closed." but all of these subject to intense speculation about what the killings were all about.